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GW240414_054515 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240414_054515

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240414_054515

Both component-mass lower bounds exceed 3 solar masses

Primary mass38.8 M☉

Secondary mass25.9 M☉

ObservedApr 14, 2024

Event identity

Classification and release

ID: gwtc:GW240414_054515
Event name: GW240414_054515
Classification: Binary Black Hole
Composition status: Confirmed
Confidence boundary: Both component-mass lower bounds exceed 3 solar masses
Catalog: GWTC-5.0
Preferred event version: v1
Observed at: Sunday, April 14, 2024 at 5:45:15 AM UTC UTC
GPS time: 1,397,108,733.2

Source-frame posterior

Component and remnant masses

Primary mass: 38.8 (-7.2, +12.1) M☉
Secondary mass: 25.9 (-8.1, +6.9) M☉
Remnant mass: 62.2 (-6, +8) M☉
Effective spin: 0.03
Network SNR: 11.2

Propagation

Distance and statistical context

Luminosity distance: 1,530 (-580, +680) Mpc
Redshift: 0.29
Astrophysical probability: 0.99
False-alarm rate: 0.0001

Provenance

Official source record

GWOSC · GWTC-5.0

GW240414_054515

Last synchronized 9/12/2026, 3:20:17 AM UTC.

JSON record GWOSC event page